This is a resin mode cut in reverse. lt comes from the Delande company archives. It would have served a model from which dies would have been made using a reducing machine. It is very possibly unique

(Delande et Cie. of Paris was a company that manufactured and distributed medals, decorations, flags, trophies and related articles. In was founded in the late 19^th century and closed its doors in the 1980s. It had customers throughout the world and produced military decorations and uniform ornamentations for several governments).